What is molecular weight, Biology

Assignment Help:

What is molecular weight?

Molecular Weight :  The molecular weight of a molecule refers to the sum of the atomic weights of all the atoms making up the molecule. The gram molecular weight of a substance is the molecular weight expressed in grams. For example, the atomic weight of oxygen is 16, and that of hydrogen is 1, so one gram molecular weight, or mole, of water equals 18 grams.

Since one mole of any substance contains the same number of molecules, 6.022 x 1023, the concept is useful in describing chemical reactions. In biological experiments, the concentration of a solution, that is, the amount of solute dissolved in the solvent, is usually expressed in terms of molarity. A molar (1M) solution contains a mole of solute in 1 liter of solution. Note that by convention, "mole" is abbreviated as "mol."

453_Molecular Weight.png


Related Discussions:- What is molecular weight

Medical therapy for tricuspid stenosis, Q. Medical therapy for tricuspid st...

Q. Medical therapy for tricuspid stenosis? Medical therapy is ineffective. With diuretics, symptoms of congestion are replaced by that of low cardiac output state. Occasional c

State in brief about the soil horizon, State in brief about the soil horizo...

State in brief about the soil horizon A  soil horizon may be defined as "a horizontal layer of regolith, approximately parallel to the soil surface, and possessing relatively

Define requirement of energy for physical activity, Define requirement of e...

Define requirement of energy for Physical activity? This is the most variable and, after BMR, the second largest component of daily energy expenditure. Humans perform obligator

Fungi, Which type of reproductive structure has a better chance of survival...

Which type of reproductive structure has a better chance of survival if there was a sudden temperature change in its environment?

Define drug effects on vitamin and mineral metabolism, Define Drug effects ...

Define Drug effects on Vitamin and mineral metabolism? Vitamin and mineral metabolism: Micronutrients are required as cofactors or coenzymes in many metabolic pathways, includi

Explain briefly about the selenium toxicity, Explain briefly about the sele...

Explain briefly about the selenium Toxicity? There is a narrow margin between the beneficial and harmful intakes of selenium. The level at which selenosis occurs is not well-de

Nursing process in infective endocarditis, Nursing Process Nursing Ass...

Nursing Process Nursing Assessment Health history-Past-valvular, congenital or syphilitic cardiac disease/cardiac surgery. Habits-IV drug abuse. Assess the signs an

Explain diet history and nutrient intake, Explain Diet history and nutrient...

Explain Diet history and nutrient intake Diet history  and  nutrient intake : This  is used  to evaluate diet for nutrient or food intake. Common methods used include the 24-h

Enlist the modalities available for hand wash, Q. Enlist the modalities ava...

Q. Enlist the modalities available for hand wash? Modalities available for hand wishing are a) 2-4% Chlorhexidine b) 0.3-1 %Triclosan c) 0.6% Parachlorometaxylenol (PC

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd